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Introduction

QT510-ISSG is a capacitive touch sensing product developed by QT International Ltd.(QTIN). It adopts the latest technology in terms of gasketless metal plated separation and is mainly used for the noncontact operation in industries such as household appliances, office automation, automotive electronics, and robotics.

Application Field

The metal plated layers application used in QT510-ISSG greatly reduces the common operational problems encountered using traditional stands such as breakage devices, extraneous tooling, contact adjustability, conductivity fluctuations and failure during product assembly.

Besides, QT510-ISSG can also provide superior environmental protection performance. With the enhanced environmental protection design, QT510-ISSG is the ideal choice for applications in environments where heavy dust or moisture can reduce the performance of other touch systems.

Moreover, it has excellent cost performance. Cost-effective design make QT510-ISSG perfect for cost-sensitive applications and there is no need for complex and expensive touch components including controllers and analog-digital converters.

Working Principle

The QT510-ISSG working principle is based on the integration of two sensing technologies. It utilizes the self-stabilizing and cross-sensing capabilities of a capacitive touch panel to generate a reliable and accurate touch detection.

The built-in sensor consists of a conductive aluminum plate, which is separated from the plated electrodes by a dielectric surface. When a capacitive touch surface approaches within a predetermined distance to the aluminum plate, the electrostatic force between them forms a capacitance.

The QT510-ISSG multi-touch function also applies on both multi-point and multi-zone touch sensing. When a finger or object approaches the touch panel, a capacitive coupling force is formed between it and the sensor. A change in capacitance or conductance will be detected by the touch system, and then the voltage will be converted into a digital signal and reported to an external MCU.

Conclusion

In conclusion, QT510-ISSG is a powerful, reliable and cost-effective solution for simultaneously detecting position and presence of multiple touches on a touchscreen. Slim design, enhanced environmental protection performance, cost performance and cross-sensing technology make QT510-ISSG the ideal choice for most capacitive touch sensing applications.

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